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621 lines
17 KiB
C
621 lines
17 KiB
C
/**
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* @file IxOsalBufferMgt.h
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*
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* @brief OSAL Buffer pool management and buffer management definitions.
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*
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* Design Notes:
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*
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* @par
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* IXP400 SW Release version 2.0
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*
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* -- Copyright Notice --
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*
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* @par
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* Copyright 2001-2005, Intel Corporation.
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* All rights reserved.
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*
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* @par
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* @par
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @par
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* -- End of Copyright Notice --
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*/
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/* @par
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* -- Copyright Notice --
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*
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* @par
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* Copyright 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* @par
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* @par
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @par
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* -- End of Copyright Notice --
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*/
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#ifndef IxOsalBufferMgt_H
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#define IxOsalBufferMgt_H
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#include "IxOsal.h"
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/**
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* @defgroup IxOsalBufferMgt OSAL Buffer Management Module.
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*
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* @brief Buffer management module for IxOsal
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*
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* @{
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*/
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_MAX_POOLS
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*
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* @brief The maximum number of pools that can be allocated, must be
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* a multiple of 32 as required by implementation logic.
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* @note This can safely be increased if more pools are required.
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*/
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#define IX_OSAL_MBUF_MAX_POOLS 32
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_NAME_LEN
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*
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* @brief The maximum string length of the pool name
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*/
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#define IX_OSAL_MBUF_POOL_NAME_LEN 64
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/**
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* Define IX_OSAL_MBUF
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*/
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/* forward declaration of internal structure */
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struct __IXP_BUF;
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/*
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* OS can define it in IxOsalOs.h to skip the following
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* definition.
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*/
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#ifndef IX_OSAL_ATTRIBUTE_ALIGN32
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#define IX_OSAL_ATTRIBUTE_ALIGN32 __attribute__ ((aligned(32)))
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#endif
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/* release v1.4 backward compatible definitions */
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struct __IX_MBUF
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{
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struct __IXP_BUF *ix_next IX_OSAL_ATTRIBUTE_ALIGN32;
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struct __IXP_BUF *ix_nextPacket;
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UINT8 *ix_data;
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UINT32 ix_len;
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unsigned char ix_type;
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unsigned char ix_flags;
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unsigned short ix_reserved;
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UINT32 ix_rsvd;
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UINT32 ix_PktLen;
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void *ix_priv;
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};
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struct __IX_CTRL
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{
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UINT32 ix_reserved[2]; /**< Reserved field */
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UINT32 ix_signature; /**< Field to indicate if buffers are allocated by the system */
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UINT32 ix_allocated_len; /**< Allocated buffer length */
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UINT32 ix_allocated_data; /**< Allocated buffer data pointer */
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void *ix_pool; /**< pointer to the buffer pool */
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struct __IXP_BUF *ix_chain; /**< chaining */
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void *ix_osbuf_ptr; /**< Storage for OS-specific buffer pointer */
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};
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struct __IX_NE_SHARED
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{
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UINT32 reserved[8] IX_OSAL_ATTRIBUTE_ALIGN32; /**< Reserved area for NPE Service-specific usage */
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};
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/*
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* IXP buffer structure
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*/
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typedef struct __IXP_BUF
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{
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struct __IX_MBUF ix_mbuf IX_OSAL_ATTRIBUTE_ALIGN32; /**< buffer header */
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struct __IX_CTRL ix_ctrl; /**< buffer management */
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struct __IX_NE_SHARED ix_ne; /**< Reserved area for NPE Service-specific usage*/
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} IXP_BUF;
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def typedef IX_OSAL_MBUF
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*
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* @brief Generic IXP mbuf format.
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*/
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typedef IXP_BUF IX_OSAL_MBUF;
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_IXP_NEXT_BUFFER_IN_PKT_PTR(m_blk_ptr)
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*
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* @brief Return pointer to the next mbuf in a single packet
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*/
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#define IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(m_blk_ptr) \
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(m_blk_ptr)->ix_mbuf.ix_next
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_NEXT_PKT_IN_CHAIN_PTR(m_blk_ptr)
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*
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* @brief Return pointer to the next packet in the chain
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*/
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#define IX_OSAL_MBUF_NEXT_PKT_IN_CHAIN_PTR(m_blk_ptr) \
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(m_blk_ptr)->ix_mbuf.ix_nextPacket
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_MDATA(m_blk_ptr)
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*
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* @brief Return pointer to the data in the mbuf
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*/
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#define IX_OSAL_MBUF_MDATA(m_blk_ptr) (m_blk_ptr)->ix_mbuf.ix_data
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_MLEN(m_blk_ptr)
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*
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* @brief Return the data length
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*/
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#define IX_OSAL_MBUF_MLEN(m_blk_ptr) \
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(m_blk_ptr)->ix_mbuf.ix_len
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_MTYPE(m_blk_ptr)
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*
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* @brief Return the data type in the mbuf
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*/
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#define IX_OSAL_MBUF_MTYPE(m_blk_ptr) \
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(m_blk_ptr)->ix_mbuf.ix_type
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_FLAGS(m_blk_ptr)
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*
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* @brief Return the buffer flags
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*/
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#define IX_OSAL_MBUF_FLAGS(m_blk_ptr) \
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(m_blk_ptr)->ix_mbuf.ix_flags
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_NET_POOL(m_blk_ptr)
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*
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* @brief Return pointer to a network pool
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*/
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#define IX_OSAL_MBUF_NET_POOL(m_blk_ptr) \
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(m_blk_ptr)->ix_ctrl.ix_pool
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_PKT_LEN(m_blk_ptr)
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*
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* @brief Return the total length of all the data in
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* the mbuf chain for this packet
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*/
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#define IX_OSAL_MBUF_PKT_LEN(m_blk_ptr) \
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(m_blk_ptr)->ix_mbuf.ix_PktLen
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_PRIV(m_blk_ptr)
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*
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* @brief Return the private field
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*/
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#define IX_OSAL_MBUF_PRIV(m_blk_ptr) \
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(m_blk_ptr)->ix_mbuf.ix_priv
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_SIGNATURE(m_blk_ptr)
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*
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* @brief Return the signature field of IX_OSAL_MBUF
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*/
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#define IX_OSAL_MBUF_SIGNATURE(m_blk_ptr) \
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(m_blk_ptr)->ix_ctrl.ix_signature
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_OSBUF_PTR(m_blk_ptr)
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*
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* @brief Return ix_osbuf_ptr field of IX_OSAL_MBUF, which is used to store OS-specific buffer pointer during a buffer conversion.
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*/
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#define IX_OSAL_MBUF_OSBUF_PTR(m_blk_ptr) \
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(m_blk_ptr)->ix_ctrl.ix_osbuf_ptr
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_ALLOCATED_BUFF_LEN(m_blk_ptr)
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*
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* @brief Return the allocated buffer size
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*/
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#define IX_OSAL_MBUF_ALLOCATED_BUFF_LEN(m_blk_ptr) \
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(m_blk_ptr)->ix_ctrl.ix_allocated_len
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_ALLOCATED_BUFF_DATA(m_blk_ptr)
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*
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* @brief Return the allocated buffer pointer
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*/
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#define IX_OSAL_MBUF_ALLOCATED_BUFF_DATA(m_blk_ptr) \
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(m_blk_ptr)->ix_ctrl.ix_allocated_data
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/* Name length */
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#define IX_OSAL_MBUF_POOL_NAME_LEN 64
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/****************************************************
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* Macros for buffer pool management
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****************************************************/
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_FREE_COUNT(m_pool_ptr
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*
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* @brief Return the total number of freed buffers left in the pool.
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*/
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#define IX_OSAL_MBUF_POOL_FREE_COUNT(m_pool_ptr) \
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ixOsalBuffPoolFreeCountGet(m_pool_ptr)
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_SIZE_ALIGN
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*
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* @brief This macro takes an integer as an argument and
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* rounds it up to be a multiple of the memory cache-line
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* size.
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*
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* @param int [in] size - the size integer to be rounded up
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*
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* @return int - the size, rounded up to a multiple of
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* the cache-line size
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*/
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#define IX_OSAL_MBUF_POOL_SIZE_ALIGN(size) \
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((((size) + (IX_OSAL_CACHE_LINE_SIZE - 1)) / \
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IX_OSAL_CACHE_LINE_SIZE) * \
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IX_OSAL_CACHE_LINE_SIZE)
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/* Don't use this directly, use macro */
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PUBLIC UINT32 ixOsalBuffPoolMbufAreaSizeGet (int count);
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_MBUF_AREA_SIZE_ALIGNED
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*
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* @brief This macro calculates, from the number of mbufs required, the
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* size of the memory area required to contain the mbuf headers for the
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* buffers in the pool. The size to be used for each mbuf header is
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* rounded up to a multiple of the cache-line size, to ensure
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* each mbuf header aligns on a cache-line boundary.
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* This macro is used by IX_OSAL_MBUF_POOL_MBUF_AREA_ALLOC()
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*
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* @param int [in] count - the number of buffers the pool will contain
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*
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* @return int - the total size required for the pool mbuf area (aligned)
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*/
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#define IX_OSAL_MBUF_POOL_MBUF_AREA_SIZE_ALIGNED(count) \
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ixOsalBuffPoolMbufAreaSizeGet(count)
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/* Don't use this directly, use macro */
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PUBLIC UINT32 ixOsalBuffPoolDataAreaSizeGet (int count, int size);
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_DATA_AREA_SIZE_ALIGNED
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*
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* @brief This macro calculates, from the number of mbufs required and the
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* size of the data portion for each mbuf, the size of the data memory area
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* required. The size is adjusted to ensure alignment on cache line boundaries.
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* This macro is used by IX_OSAL_MBUF_POOL_DATA_AREA_ALLOC()
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*
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*
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* @param int [in] count - The number of mbufs in the pool.
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* @param int [in] size - The desired size for each mbuf data portion.
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* This size will be rounded up to a multiple of the
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* cache-line size to ensure alignment on cache-line
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* boundaries for each data block.
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*
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* @return int - the total size required for the pool data area (aligned)
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*/
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#define IX_OSAL_MBUF_POOL_DATA_AREA_SIZE_ALIGNED(count, size) \
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ixOsalBuffPoolDataAreaSizeGet((count), (size))
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_MBUF_AREA_ALLOC
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*
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* @brief Allocates the memory area needed for the number of mbuf headers
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* specified by <i>count</i>.
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* This macro ensures the mbuf headers align on cache line boundaries.
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* This macro evaluates to a pointer to the memory allocated.
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*
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* @param int [in] count - the number of mbufs the pool will contain
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* @param int [out] memAreaSize - the total amount of memory allocated
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*
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* @return void * - a pointer to the allocated memory area
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*/
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#define IX_OSAL_MBUF_POOL_MBUF_AREA_ALLOC(count, memAreaSize) \
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IX_OSAL_CACHE_DMA_MALLOC((memAreaSize = \
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IX_OSAL_MBUF_POOL_MBUF_AREA_SIZE_ALIGNED(count)))
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_DATA_AREA_ALLOC
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*
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* @brief Allocates the memory pool for the data portion of the pool mbufs.
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* The number of mbufs is specified by <i>count</i>. The size of the data
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* portion of each mbuf is specified by <i>size</i>.
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* This macro ensures the mbufs are aligned on cache line boundaries
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* This macro evaluates to a pointer to the memory allocated.
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*
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* @param int [in] count - the number of mbufs the pool will contain
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* @param int [in] size - the desired size (in bytes) required for the data
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* portion of each mbuf. Note that this size may be
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* rounded up to ensure alignment on cache-line
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* boundaries.
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* @param int [out] memAreaSize - the total amount of memory allocated
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*
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* @return void * - a pointer to the allocated memory area
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*/
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#define IX_OSAL_MBUF_POOL_DATA_AREA_ALLOC(count, size, memAreaSize) \
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IX_OSAL_CACHE_DMA_MALLOC((memAreaSize = \
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IX_OSAL_MBUF_POOL_DATA_AREA_SIZE_ALIGNED(count,size)))
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_INIT
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*
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* @brief Wrapper macro for ixOsalPoolInit()
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* See function description below for details.
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*/
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#define IX_OSAL_MBUF_POOL_INIT(count, size, name) \
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ixOsalPoolInit((count), (size), (name))
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_NO_ALLOC_POOL_INIT
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*
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* @return Pointer to the new pool or NULL if the initialization failed.
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*
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* @brief Wrapper macro for ixOsalNoAllocPoolInit()
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* See function description below for details.
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*
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*/
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#define IX_OSAL_MBUF_NO_ALLOC_POOL_INIT(bufPtr, dataPtr, count, size, name) \
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ixOsalNoAllocPoolInit( (bufPtr), (dataPtr), (count), (size), (name))
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_GET
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*
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* @brief Wrapper macro for ixOsalMbufAlloc()
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* See function description below for details.
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*/
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#define IX_OSAL_MBUF_POOL_GET(poolPtr) \
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ixOsalMbufAlloc(poolPtr)
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_PUT
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*
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* @brief Wrapper macro for ixOsalMbufFree()
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* See function description below for details.
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*/
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#define IX_OSAL_MBUF_POOL_PUT(bufPtr) \
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ixOsalMbufFree(bufPtr)
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_PUT_CHAIN
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*
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* @brief Wrapper macro for ixOsalMbufChainFree()
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* See function description below for details.
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*/
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#define IX_OSAL_MBUF_POOL_PUT_CHAIN(bufPtr) \
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ixOsalMbufChainFree(bufPtr)
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_SHOW
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*
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* @brief Wrapper macro for ixOsalMbufPoolShow()
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* See function description below for details.
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*/
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#define IX_OSAL_MBUF_POOL_SHOW(poolPtr) \
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ixOsalMbufPoolShow(poolPtr)
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_MDATA_RESET
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*
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* @brief Wrapper macro for ixOsalMbufDataPtrReset()
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* See function description below for details.
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*/
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#define IX_OSAL_MBUF_POOL_MDATA_RESET(bufPtr) \
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ixOsalMbufDataPtrReset(bufPtr)
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_MBUF_POOL_UNINIT
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*
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* @brief Wrapper macro for ixOsalBuffPoolUninit()
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* See function description below for details.
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*/
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#define IX_OSAL_MBUF_POOL_UNINIT(m_pool_ptr) \
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ixOsalBuffPoolUninit(m_pool_ptr)
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/*
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* Include OS-specific bufferMgt definitions
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*/
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#include "IxOsalOsBufferMgt.h"
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_CONVERT_OSBUF_TO_IXPBUF( osBufPtr, ixpBufPtr)
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*
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* @brief Convert pre-allocated os-specific buffer format to OSAL IXP_BUF (IX_OSAL_MBUF) format.
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* It is users' responsibility to provide pre-allocated and valid buffer pointers.
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* @param osBufPtr (in) - a pre-allocated os-specific buffer pointer.
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* @param ixpBufPtr (in)- a pre-allocated OSAL IXP_BUF pointer
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* @return None
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*/
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#define IX_OSAL_CONVERT_OSBUF_TO_IXPBUF( osBufPtr, ixpBufPtr) \
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IX_OSAL_OS_CONVERT_OSBUF_TO_IXPBUF( osBufPtr, ixpBufPtr)
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/**
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* @ingroup IxOsalBufferMgt
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*
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* @def IX_OSAL_CONVERT_IXPBUF_TO_OSBUF( ixpBufPtr, osBufPtr)
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*
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* @brief Convert pre-allocated OSAL IXP_BUF (IX_OSAL_MBUF) format to os-specific buffer pointers.
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* @param ixpBufPtr (in) - OSAL IXP_BUF pointer
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* @param osBufPtr (out) - os-specific buffer pointer.
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* @return None
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*/
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#define IX_OSAL_CONVERT_IXPBUF_TO_OSBUF( ixpBufPtr, osBufPtr) \
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IX_OSAL_OS_CONVERT_IXPBUF_TO_OSBUF( ixpBufPtr, osBufPtr)
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PUBLIC IX_OSAL_MBUF_POOL *ixOsalPoolInit (UINT32 count,
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UINT32 size, const char *name);
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PUBLIC IX_OSAL_MBUF_POOL *ixOsalNoAllocPoolInit (void *poolBufPtr,
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void *poolDataPtr,
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UINT32 count,
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|
UINT32 size,
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|
const char *name);
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|
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PUBLIC IX_OSAL_MBUF *ixOsalMbufAlloc (IX_OSAL_MBUF_POOL * pool);
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PUBLIC IX_OSAL_MBUF *ixOsalMbufFree (IX_OSAL_MBUF * mbuf);
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PUBLIC void ixOsalMbufChainFree (IX_OSAL_MBUF * mbuf);
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PUBLIC void ixOsalMbufDataPtrReset (IX_OSAL_MBUF * mbuf);
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PUBLIC void ixOsalMbufPoolShow (IX_OSAL_MBUF_POOL * pool);
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PUBLIC IX_STATUS ixOsalBuffPoolUninit (IX_OSAL_MBUF_POOL * pool);
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PUBLIC UINT32 ixOsalBuffPoolFreeCountGet(IX_OSAL_MBUF_POOL * pool);
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/**
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|
* @} IxOsalBufferMgt
|
|
*/
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#endif /* IxOsalBufferMgt_H */
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